PDF malware analysis — malicious · fec21dbf1bf52b18

MALICIOUS

PDF

42.2 KB

MD5: 209b753e05a8c8fc5d6ef18eb4153261 SHA-1: e27cd640fa28326b4574e4b703263fa5b043c5a8 SHA-256: fec21dbf1bf52b18238f2a1b7ca0d17a03a01532bd8551547efdf2f4dee010f9

80 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.002 Phishing: Spearphishing Attachment

The PDF sample contains an embedded XFA form that triggers the CVE-2010-0188 vulnerability in Adobe Reader. This exploit is designed to achieve arbitrary code execution. The embedded file, 'embedded_file_obj0001.bin', is likely the secondary payload. The document body is heavily obfuscated and does not provide clear textual lures.

Heuristics 4

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains XFA image data with an inline crafted TIFF payload and shellcode/delivery markers. This is the data-bound variant of the CVE-2010-0188 Adobe Reader LibTIFF/XFA exploit shape.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0001.bin` `193cf29b10c7ea187eb9c5962b046f318cca1c6542f209db4631dbb67339a1af`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x51	13454 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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